完形填空。 On Sunday morning, Bob usually 1 up very late. He washes his face and then 2 out to do morning exercise. It is about 8:20 am. After he 3 his breakfast, he often goes to a shopping center(购物中心) 4 his mother.  The shopping center is near his home, so they walk there. It takes 5 about 10 minutes to get there 6 .   The center is new and big. There are many things there, such as TVs, fridges, bikes, computers, food and drinks. There are many people there.   They are men and women, old and 7 . Parents must look 8 their children because the shopping center is so big.   Young children may get lost(迷失)in it. The things in this shopping center 9 usually good and cheap. The workers there are always nice and 10 . So a lot of people like to buy things there. (     )1. A. gets (     )2. A. walk (     )3. A. has (     )4. A. and (     )5. A. they (     )6. A. by foot (     )7. A. tall (     )8. A. after (     )9. A. is (     )10.A. kindly B. to get B. run B. having B. with B. them B. on foot B. short B. at B. are B. help C. getting C. goes C. eat C. to C. their C. in foot C. fat C. for C. to be C. friend D. get D. going D. eating D. or D. theirs D. on walk D. young D. to D. be D. friendly